OpenTechnical

OT-2026-000021616

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000021616) never changes.

Identity and time

Publication numberOT-2026-000021616 · never reused
Internal UUID01a0ae6f-bb59-7e90-b591-416fa4d81490 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021616
StatusPUBLIC

Content hashes

Canonical text3b9706b4c84d06ee5cda91f6a5ff07df47f4c2533eba5582dca2d9e79638a95c
Markdown9c30723a51afbdd8560927c6c7091789a5cf63358a3050242390954421056305
PDF
Publication page126bfb9e8a00aa3fe5de1b9a7f715575d1905474ad9dc6c744f2d88a4c3f60ba
Manifestd02c7ac541857639be7c654a2d41293077a6f21ca634cd67ad7968dabd5510a1

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature7EnOpIcKi6O8T813o1PsIe1LHM+dJZhMEqXNZyLZKxLWoM7anGdMBa8n0azzmruwjpHwq43sfZiOxsmBUWvpCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:08.431689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021616
observed 126bfb9e8a00aa3fe5de1b9a7f715575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:08.406030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021616/manifest.json
observed d02c7ac541857639be7c654a2d412930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:08.383347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021616/publication.md
observed 9c30723a51afbdd8560927c6c7091789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:08.362415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021616/publication.txt
observed 3b9706b4c84d06ee5cda91f6a5ff07df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.